Answered

x²-3x+1=0 denkleminin kökleri x1 ve x2 dir.Buna göre X³1+X³2 isleminin sonucu kaçtır?​

Sagot :

Rvydsntrkrans

Cevap:

18

Adım adım açıklama:

  • Denkleme göre x1+x2 = 3 ve x1.x2 = 1
  • (X1+X2)² = x²1+2x1.x2+x²2
  • 3² = x²1+x²2+2
  • x²1+x²2= 9-2 = 7
  • x³1+x³2 = (X1+X2).(x²1-x1.x2+x²2)
  • = 3. (7-1)
  • =18
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